The Firefly Petunia emits a continuous glow similar to moonlight. Its enchanting light is produced by genes isolated from bioluminescent mushrooms. The petunia has proven to be hugely popular ...

"This double petunia, with its elegant frills and ruffles ... "For a dark, moody vibe, add this salvia with its dark purple, almost black flowers to your landscape. Deadheading will promote ...

There's something about black flowers that lend an air of intrigue to a garden, and yet they occur rarely in nature. Perhaps that's why they're an object of fascination for those who cultivate them.

The starry sky petunia is best known for its close resemblance to the night sky, a black hole, or a galaxy far away, like in ...